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This is the Prime Pages'
interface to our BibTeX database. Rather than being an exhaustive database,
it just lists the references we cite on these pages. Please let me know of any errors you notice.References: [ Home  Author index  Key index  Search ] Item(s) in original BibTeX format@article{Deleglise98, author={M. Del{\'e}glise}, title={Bounds for the density of abundant integers}, abstract={We say that an integer $n$ is {\it abundant} if the sum of the divisors of $n$ is at least $2n$. It has been known [Wall 1972] that the set of abundant numbers has a natural density A(2) and that $0.244 \lt A(2) \lt 0.291$. We give the sharper bounds $$0.2474 \lt A(2) \lt 0.2480.$$}, journal= expm, volume= 7, year= 1998, pages={137143}, number= 2 , mrnumber={2000a:11137} } 
Another prime page by Chris K. Caldwell 